Skip to content

Otto Kolbe

An expert in IT Systems Engineering and Cloud Telephony, Otto Kolbe brings over twenty years of systems engineering experience to the table. His extensive 12-year background in VoIP and SIP protocols, bolstered by the prestigious MCSA and MCSE certifications, has established him as an authority in the field of cloud telephony.

Boost productivity with Microsoft Teams Direct Routing and VoIP

What obstacles are impeding an efficient workflow in your company? The use of redundant...

Read More

Understanding virtual calls: basics, features, and benefits

Virtual calls, which allow individuals and businesses to communicate seamlessly over the internet,...

Read More

Step by step to successfully implement SIP Trunk

Think of SIP Trunk as an advanced digital highway, replacing the old infrastructure of traditional...

Read More

Wholesale voice termination: What is it and how does it work?

Today, the global market for wholesale voice operators has already surpassed the impressive US$...

Read More

Hosted Softswitch: The solution for VoIP telephony providers

In the telecommunications sector, efficiency and integration are key to success. Hosted Softswitch...

Read More

SIP Trunk: Trends and benefits for modern businesses

With so much research available showing that the SIP trunking market is expanding significantly,...

Read More

Virtual-Call's SIP Trunk earns Unify-Mitel certification

As we close out 2024, we're thrilled to share another significant achievement. We are proud to...

Read More

Hosted Softswitch - A comprehensive guide

As we approach the end of 2024, the telecommunication’s landscape is evolving rapidly, with...

Read More

Cloud Telephony support: Remote or In-Person?

In the evolving landscape of business communications, a pivotal question arises: Should cloud...

Read More

International VoIP provider: Your comprehensive guide for 2025

As we reach the end of 2024, the selection of an international VoIP termination provider is a...

Read More